.main4{
    width: 1100px;
    margin: auto auto;
    margin-bottom: 60px;
}

.subject-box-area{
    margin: 30px 0px;
    
}
.subject-row-box{
    display: flex;
    margin: 22px 0px;
    justify-content: space-between;
}
.subject-box{
    width: 339px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    cursor: pointer;
    border: 1px #B9C9D7 solid;
    background-color: #EBF1F5;
    color: #3b3b3b;
    font-size: 15px;
    transition: all .2s ease-in-out;
}

.subject-box:hover{
    color: #105fa5;
}